Home / 4,172.40-6,258.15-1,707.48

Finding the Fourth Proportional to 4,172.40, 6,258.15 and 1,707.48

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Solution

The fourth proportional to 4,172.40, 6,258.15 and 1,707.48 is: 2,561.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.40 : 6,258.15 = 1,707.48 : x
  2. Step 2: Convert to fraction form
    4,172.40/6,258.15 = 1,707.48/x
  3. Step 3: Cross multiply
    4,172.40x = 6,258.15 × 1,707.48
  4. Step 4: Simplify right side
    4,172.40x = 10,685,665.96
  5. Step 5: Solve for x
    x = 10,685,665.96/4,172.40
  6. Step 6: Final answer
    x = 2,561.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.